mbed Starter Kit / mbed Starter Kit Demo Programs

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ulcd_demo/main.cpp@0:6a73d3dc037e, 2014-07-28 (annotated)

Committer:
ShawnHymel
Date:
Mon Jul 28 20:29:28 2014 +0000
Revision:
0:6a73d3dc037e
Added main.cpp files from each of the demo programs. Libraries are not included.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ShawnHymel 0:6a73d3dc037e 1 // Demo for the uLCD-144-G2 based on the work by Jim Hamblen
ShawnHymel 0:6a73d3dc037e 2
ShawnHymel 0:6a73d3dc037e 3 #include "mbed.h"
ShawnHymel 0:6a73d3dc037e 4 #include "uLCD_4DGL.h"
ShawnHymel 0:6a73d3dc037e 5
ShawnHymel 0:6a73d3dc037e 6 // TX, RX, and RES pins
ShawnHymel 0:6a73d3dc037e 7 uLCD_4DGL uLCD(p9,p10,p11);
ShawnHymel 0:6a73d3dc037e 8
ShawnHymel 0:6a73d3dc037e 9 int main() {
ShawnHymel 0:6a73d3dc037e 10
ShawnHymel 0:6a73d3dc037e 11 int x;
ShawnHymel 0:6a73d3dc037e 12 int y;
ShawnHymel 0:6a73d3dc037e 13 int radius;
ShawnHymel 0:6a73d3dc037e 14 int vx;
ShawnHymel 0:6a73d3dc037e 15
ShawnHymel 0:6a73d3dc037e 16 // Set our UART baudrate to something reasonable
ShawnHymel 0:6a73d3dc037e 17 uLCD.baudrate(115200);
ShawnHymel 0:6a73d3dc037e 18
ShawnHymel 0:6a73d3dc037e 19 // Change background color (must be called before cls)
ShawnHymel 0:6a73d3dc037e 20 uLCD.background_color(WHITE);
ShawnHymel 0:6a73d3dc037e 21
ShawnHymel 0:6a73d3dc037e 22 // Clear screen with background color
ShawnHymel 0:6a73d3dc037e 23 uLCD.cls();
ShawnHymel 0:6a73d3dc037e 24
ShawnHymel 0:6a73d3dc037e 25 // Change background color of text
ShawnHymel 0:6a73d3dc037e 26 uLCD.textbackground_color(WHITE);
ShawnHymel 0:6a73d3dc037e 27
ShawnHymel 0:6a73d3dc037e 28 // Make some colorful text
ShawnHymel 0:6a73d3dc037e 29 uLCD.locate(4, 1); // Move cursor
ShawnHymel 0:6a73d3dc037e 30 uLCD.color(BLUE);
ShawnHymel 0:6a73d3dc037e 31 uLCD.printf("This is a\n");
ShawnHymel 0:6a73d3dc037e 32 uLCD.locate(5, 3); // Move cursor
ShawnHymel 0:6a73d3dc037e 33 uLCD.text_width(2); // 2x normal size
ShawnHymel 0:6a73d3dc037e 34 uLCD.text_height(2); // 2x normal size
ShawnHymel 0:6a73d3dc037e 35 uLCD.color(RED); // Change text color
ShawnHymel 0:6a73d3dc037e 36 uLCD.printf("TEST");
ShawnHymel 0:6a73d3dc037e 37 uLCD.text_width(1); // Normal size
ShawnHymel 0:6a73d3dc037e 38 uLCD.text_height(1); // Normal size
ShawnHymel 0:6a73d3dc037e 39 uLCD.locate(3, 6); // Move cursor
ShawnHymel 0:6a73d3dc037e 40 uLCD.color(BLACK); // Change text color
ShawnHymel 0:6a73d3dc037e 41 uLCD.printf("of my new LCD");
ShawnHymel 0:6a73d3dc037e 42
ShawnHymel 0:6a73d3dc037e 43 // Initial parameters for the circle
ShawnHymel 0:6a73d3dc037e 44 x = 50;
ShawnHymel 0:6a73d3dc037e 45 y = 100;
ShawnHymel 0:6a73d3dc037e 46 radius = 4;
ShawnHymel 0:6a73d3dc037e 47 vx = 1;
ShawnHymel 0:6a73d3dc037e 48
ShawnHymel 0:6a73d3dc037e 49 // Make a ball bounce back and forth
ShawnHymel 0:6a73d3dc037e 50 while (1) {
ShawnHymel 0:6a73d3dc037e 51
ShawnHymel 0:6a73d3dc037e 52 // Draw a dark green
ShawnHymel 0:6a73d3dc037e 53 uLCD.filled_circle(x, y, radius, 0x008000);
ShawnHymel 0:6a73d3dc037e 54
ShawnHymel 0:6a73d3dc037e 55 // Bounce off the edges
ShawnHymel 0:6a73d3dc037e 56 if ((x <= radius + 1) || (x >= 126 - radius)) {
ShawnHymel 0:6a73d3dc037e 57 vx = -1 * vx;
ShawnHymel 0:6a73d3dc037e 58 }
ShawnHymel 0:6a73d3dc037e 59
ShawnHymel 0:6a73d3dc037e 60 // Wait before erasing old circle
ShawnHymel 0:6a73d3dc037e 61 wait(0.02); // In seconds
ShawnHymel 0:6a73d3dc037e 62
ShawnHymel 0:6a73d3dc037e 63 // Erase old circle
ShawnHymel 0:6a73d3dc037e 64 uLCD.filled_circle(x, y, radius, WHITE);
ShawnHymel 0:6a73d3dc037e 65
ShawnHymel 0:6a73d3dc037e 66 // Move circle
ShawnHymel 0:6a73d3dc037e 67 x = x + vx;
ShawnHymel 0:6a73d3dc037e 68 }
ShawnHymel 0:6a73d3dc037e 69 }